sRGB colours are quantised down to u8, proving that fractional values on these
而对于年纪稍大的牌友来说，打牌打的不仅是输赢，更是人情世故和摸牌的手感。他们对自动计分和智能结算兴趣不大，也觉得为此多付十几块钱意义有限，更愿意留在传统麻将馆。，详情可参考新收录的资料
In the code example above, the only way to create an Email type is to go through the new_email function. We also see that to call new_user_email, we already need to use the Email type, and we need to call new_user_email to get an instance of UserMail, which we can pass to new_verified_user_email.。新收录的资料对此有专业解读
print(content);。新收录的资料是该领域的重要参考